A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...

Medically reviewed by David Ozeri, MD Neck arthritis (also known as neck osteoarthritis or cervical spondylosis) is the ...

Medically reviewed by Katrina Carter, DPT Intercostal muscle strains are the most common type of musculoskeletal chest pain.